Punch retainer



FIG. 1 is a perspective view of a punch retainer showing my new design;

FIG. 2 is a top view of the punch retainer;

FIG. 3 is a side view of the punch retainer, the other side being a mirror image thereof;

FIG. 4 is a back view of the punch retainer;

FIG. 5 is a front view of the punch retainer; and,

FIG. 6 is a bottom view of the punch retainer. 

The ornamental design for a punch retainer, as shown and described. 